215562268

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{359}}^1\times {\mathrm{3491}}^1$

素因数の和:3897

約数の個数: 24

約数和(自身を含む): 387192960

約数和(自身を除く): 171630692

約数列:

[1, 2, 4, 43, 86, 172, 359, 718, 1436, 3491, 6982, 13964, 15437, 30874, 61748, 150113, 300226, 600452, 1253269, 2506538, 5013076, 53890567, 107781134, 215562268]

約数ペア:

[(1, 215562268), (2, 107781134), (4, 53890567), (43, 5013076), (86, 2506538), (172, 1253269), (359, 600452), (718, 300226), (1436, 150113), (3491, 61748), (6982, 30874), (13964, 15437)]